Release Message:  The Doctor (Tom Baker) and Leela encounter the placid and mind-powerful Tesh, the complete opposite of the savage Saveteem.

Description:  The Doctor and Leela encounter the placid and mind-powerful Tesh, the complete opposite of the savage Saveteem. They recognize the Doctor, too, but to them he is Lord; however, when it becomes evident the Doctor threatens their living god, Xoanon, the Doctor becomes a marked man.